//////////////////////////////////////////////////////////////////////////
//Copyright (c) 2011, linlin liu
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions are met:
//* Redistributions of source code must retain the above copyright
//notice, this list of conditions and the following disclaimer.
//* Redistributions in binary form must reproduce the above copyright
//notice, this list of conditions and the following disclaimer in the
//documentation and/or other materials provided with the distribution.
//* Neither the name of the <organization> nor the
//names of its contributors may be used to endorse or promote products
//derived from this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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//////////////////////////////////////////////////////////////////////////

#ifndef AMF_DATA_TYPE_H_
#define AMF_DATA_TYPE_H_

#include <string>

#include <boost/cstdint.hpp>
#include <boost/shared_ptr.hpp>

const boost::int32_t AMF_DECODE_FAILED       = -1;

namespace amf
{
    enum AMF_TYPE
    {
        AMF_TYPE_NUMERIC = 0x00,
        AMF_TYPE_BOOLEAN,
        AMF_TYPE_STRING,
        AMF_TYPE_OBJECT,
        AMF_TYPE_MOVIECLIP,
        AMF_TYPE_NULL_VALUE,
        AMF_TYPE_UNDEFINED,
        AMF_TYPE_REFERENCE,
        AMF_TYPE_ECMA_ARRAY,
        AMF_TYPE_OBJECT_END,
        AMF_TYPE_STRICT_ARRAY,
        AMF_TYPE_DATE,
        AMF_TYPE_LONG_STRING,
        AMF_TYPE_UNSUPPORTED,
        AMF_TYPE_RECORD_SET,
        AMF_TYPE_XML_OBJECT,
        AMF_TYPE_TYPED_OBJECT,
        AMF_TYPE_AMF3
    };
}

namespace amf
{
class amf0_data_type
{
public:
    virtual ~amf0_data_type() {};

    virtual AMF_TYPE get_type() const = 0;

    virtual void encode(char* const data) const = 0;

    /**
     * @return return the MemSzie without data type(1 byte) if success decode.
     *         if failed, return AMF_DECODE_FAILED
     */
    virtual boost::int32_t decode(const char *data, boost::uint32_t quota) = 0;

    /**
     * @return return the real memory size of an AMF object which doesn't contain
     *         the flag size.
     */
    virtual const boost::uint32_t    get_size() const = 0;

    virtual const std::string to_string() const = 0;
};

typedef boost::shared_ptr<amf0_data_type> amf_data_ptr;
}

#endif // AMF_DATA_TYPE_H_

